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<h2><span class="refentrytitle"><a name="glib-N-ary-Trees.top_of_page"></a>N-ary Trees</span></h2>
<p>N-ary Trees — trees of data with any number of branches</p>
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<div class="refsynopsisdiv" title="Synopsis">
<a name="glib-N-ary-Trees.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;glib.h&gt;

                    <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode">GNode</a>;
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-new" title="g_node_new ()">g_node_new</a>                          (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-copy" title="g_node_copy ()">g_node_copy</a>                         (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (<a class="link" href="glib-N-ary-Trees.html#GCopyFunc" title="GCopyFunc ()">*GCopyFunc</a>)                        (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gconstpointer" title="gconstpointer"><span class="type">gconstpointer</span></a> src</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-copy-deep" title="g_node_copy_deep ()">g_node_copy_deep</a>                    (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GCopyFunc" title="GCopyFunc ()"><span class="type">GCopyFunc</span></a> copy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);

<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-insert" title="g_node_insert ()">g_node_insert</a>                       (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="type">gint</span></a> position</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-insert-before" title="g_node_insert_before ()">g_node_insert_before</a>                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *sibling</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-insert-after" title="g_node_insert_after ()">g_node_insert_after</a>                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *sibling</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-append" title="g_node_append()">g_node_append</a>                       (parent,
                                                         node)
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-prepend" title="g_node_prepend ()">g_node_prepend</a>                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);

#define             <a class="link" href="glib-N-ary-Trees.html#g-node-insert-data" title="g_node_insert_data()">g_node_insert_data</a>                  (parent,
                                                         position,
                                                         data)
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-insert-data-before" title="g_node_insert_data_before()">g_node_insert_data_before</a>           (parent,
                                                         sibling,
                                                         data)
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-append-data" title="g_node_append_data()">g_node_append_data</a>                  (parent,
                                                         data)
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-prepend-data" title="g_node_prepend_data()">g_node_prepend_data</a>                 (parent,
                                                         data)

<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-reverse-children" title="g_node_reverse_children ()">g_node_reverse_children</a>             (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()">g_node_traverse</a>                     (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Balanced-Binary-Trees.html#GTraverseType" title="enum GTraverseType"><span class="type">GTraverseType</span></a> order</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="type">gint</span></a> max_depth</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNodeTraverseFunc" title="GNodeTraverseFunc ()"><span class="type">GNodeTraverseFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
enum                <a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags">GTraverseFlags</a>;
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            (<a class="link" href="glib-N-ary-Trees.html#GNodeTraverseFunc" title="GNodeTraverseFunc ()">*GNodeTraverseFunc</a>)                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-children-foreach" title="g_node_children_foreach ()">g_node_children_foreach</a>             (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNodeForeachFunc" title="GNodeForeachFunc ()"><span class="type">GNodeForeachFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<span class="returnvalue">void</span>                (<a class="link" href="glib-N-ary-Trees.html#GNodeForeachFunc" title="GNodeForeachFunc ()">*GNodeForeachFunc</a>)                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);

<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-get-root" title="g_node_get_root ()">g_node_get_root</a>                     (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-find" title="g_node_find ()">g_node_find</a>                         (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Balanced-Binary-Trees.html#GTraverseType" title="enum GTraverseType"><span class="type">GTraverseType</span></a> order</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-find-child" title="g_node_find_child ()">g_node_find_child</a>                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-N-ary-Trees.html#g-node-child-index" title="g_node_child_index ()">g_node_child_index</a>                  (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);
<a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                <a class="link" href="glib-N-ary-Trees.html#g-node-child-position" title="g_node_child_position ()">g_node_child_position</a>               (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *child</code></em>);
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-first-child" title="g_node_first_child()">g_node_first_child</a>                  (node)
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-last-child" title="g_node_last_child ()">g_node_last_child</a>                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-nth-child" title="g_node_nth_child ()">g_node_nth_child</a>                    (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="type">guint</span></a> n</code></em>);
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-first-sibling" title="g_node_first_sibling ()">g_node_first_sibling</a>                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-next-sibling" title="g_node_next_sibling()">g_node_next_sibling</a>                 (node)
#define             <a class="link" href="glib-N-ary-Trees.html#g-node-prev-sibling" title="g_node_prev_sibling()">g_node_prev_sibling</a>                 (node)
<a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              <a class="link" href="glib-N-ary-Trees.html#g-node-last-sibling" title="g_node_last_sibling ()">g_node_last_sibling</a>                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);

#define             <a class="link" href="glib-N-ary-Trees.html#G-NODE-IS-LEAF:CAPS" title="G_NODE_IS_LEAF()">G_NODE_IS_LEAF</a>                      (node)
#define             <a class="link" href="glib-N-ary-Trees.html#G-NODE-IS-ROOT:CAPS" title="G_NODE_IS_ROOT()">G_NODE_IS_ROOT</a>                      (node)
<a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               <a class="link" href="glib-N-ary-Trees.html#g-node-depth" title="g_node_depth ()">g_node_depth</a>                        (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               <a class="link" href="glib-N-ary-Trees.html#g-node-n-nodes" title="g_node_n_nodes ()">g_node_n_nodes</a>                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>);
<a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               <a class="link" href="glib-N-ary-Trees.html#g-node-n-children" title="g_node_n_children ()">g_node_n_children</a>                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="glib-N-ary-Trees.html#g-node-is-ancestor" title="g_node_is_ancestor ()">g_node_is_ancestor</a>                  (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *descendant</code></em>);
<a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               <a class="link" href="glib-N-ary-Trees.html#g-node-max-height" title="g_node_max_height ()">g_node_max_height</a>                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>);

<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-unlink" title="g_node_unlink ()">g_node_unlink</a>                       (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-destroy" title="g_node_destroy ()">g_node_destroy</a>                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>);

<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-push-allocator" title="g_node_push_allocator ()">g_node_push_allocator</a>               (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> dummy</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-N-ary-Trees.html#g-node-pop-allocator" title="g_node_pop_allocator ()">g_node_pop_allocator</a>                (<em class="parameter"><code><span class="type">void</span></code></em>);
</pre>
</div>
<div class="refsect1" title="Description">
<a name="glib-N-ary-Trees.description"></a><h2>Description</h2>
<p>
The <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> struct and its associated functions provide a N-ary tree
data structure, where nodes in the tree can contain arbitrary data.
</p>
<p>
To create a new tree use <a class="link" href="glib-N-ary-Trees.html#g-node-new" title="g_node_new ()"><code class="function">g_node_new()</code></a>.
</p>
<p>
To insert a node into a tree use <a class="link" href="glib-N-ary-Trees.html#g-node-insert" title="g_node_insert ()"><code class="function">g_node_insert()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-insert-before" title="g_node_insert_before ()"><code class="function">g_node_insert_before()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-append" title="g_node_append()"><code class="function">g_node_append()</code></a> and <a class="link" href="glib-N-ary-Trees.html#g-node-prepend" title="g_node_prepend ()"><code class="function">g_node_prepend()</code></a>.
</p>
<p>
To create a new node and insert it into a tree use
<a class="link" href="glib-N-ary-Trees.html#g-node-insert-data" title="g_node_insert_data()"><code class="function">g_node_insert_data()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-insert-data-before" title="g_node_insert_data_before()"><code class="function">g_node_insert_data_before()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-append-data" title="g_node_append_data()"><code class="function">g_node_append_data()</code></a> and <a class="link" href="glib-N-ary-Trees.html#g-node-prepend-data" title="g_node_prepend_data()"><code class="function">g_node_prepend_data()</code></a>.
</p>
<p>
To reverse the children of a node use <a class="link" href="glib-N-ary-Trees.html#g-node-reverse-children" title="g_node_reverse_children ()"><code class="function">g_node_reverse_children()</code></a>.
</p>
<p>
To find a node use <a class="link" href="glib-N-ary-Trees.html#g-node-get-root" title="g_node_get_root ()"><code class="function">g_node_get_root()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-find" title="g_node_find ()"><code class="function">g_node_find()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-find-child" title="g_node_find_child ()"><code class="function">g_node_find_child()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-child-index" title="g_node_child_index ()"><code class="function">g_node_child_index()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-child-position" title="g_node_child_position ()"><code class="function">g_node_child_position()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-first-child" title="g_node_first_child()"><code class="function">g_node_first_child()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-last-child" title="g_node_last_child ()"><code class="function">g_node_last_child()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-nth-child" title="g_node_nth_child ()"><code class="function">g_node_nth_child()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-first-sibling" title="g_node_first_sibling ()"><code class="function">g_node_first_sibling()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-prev-sibling" title="g_node_prev_sibling()"><code class="function">g_node_prev_sibling()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-next-sibling" title="g_node_next_sibling()"><code class="function">g_node_next_sibling()</code></a>
or <a class="link" href="glib-N-ary-Trees.html#g-node-last-sibling" title="g_node_last_sibling ()"><code class="function">g_node_last_sibling()</code></a>.
</p>
<p>
To get information about a node or tree use <a class="link" href="glib-N-ary-Trees.html#G-NODE-IS-LEAF:CAPS" title="G_NODE_IS_LEAF()"><code class="function">G_NODE_IS_LEAF()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#G-NODE-IS-ROOT:CAPS" title="G_NODE_IS_ROOT()"><code class="function">G_NODE_IS_ROOT()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-depth" title="g_node_depth ()"><code class="function">g_node_depth()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-n-nodes" title="g_node_n_nodes ()"><code class="function">g_node_n_nodes()</code></a>,
<a class="link" href="glib-N-ary-Trees.html#g-node-n-children" title="g_node_n_children ()"><code class="function">g_node_n_children()</code></a>, <a class="link" href="glib-N-ary-Trees.html#g-node-is-ancestor" title="g_node_is_ancestor ()"><code class="function">g_node_is_ancestor()</code></a> or <a class="link" href="glib-N-ary-Trees.html#g-node-max-height" title="g_node_max_height ()"><code class="function">g_node_max_height()</code></a>.
</p>
<p>
To traverse a tree, calling a function for each node visited in the
traversal, use <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()"><code class="function">g_node_traverse()</code></a> or <a class="link" href="glib-N-ary-Trees.html#g-node-children-foreach" title="g_node_children_foreach ()"><code class="function">g_node_children_foreach()</code></a>.
</p>
<p>
To remove a node or subtree from a tree use <a class="link" href="glib-N-ary-Trees.html#g-node-unlink" title="g_node_unlink ()"><code class="function">g_node_unlink()</code></a> or
<a class="link" href="glib-N-ary-Trees.html#g-node-destroy" title="g_node_destroy ()"><code class="function">g_node_destroy()</code></a>.
</p>
</div>
<div class="refsect1" title="Details">
<a name="glib-N-ary-Trees.details"></a><h2>Details</h2>
<div class="refsect2" title="GNode">
<a name="GNode"></a><h3>GNode</h3>
<pre class="programlisting">typedef struct {
  gpointer data;
  GNode	  *next;
  GNode	  *prev;
  GNode	  *parent;
  GNode	  *children;
} GNode;
</pre>
<p>
The <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> struct represents one node in a
<a class="link" href="glib-N-ary-Trees.html" title="N-ary Trees">N-ary Tree</a>. fields
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> <em class="structfield"><code><a name="GNode.data"></a>data</code></em>;</span></p></td>
<td>contains the actual data of the node.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *<em class="structfield"><code><a name="GNode.next"></a>next</code></em>;</span></p></td>
<td>points to the node's next sibling (a sibling is another
       <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> with the same parent).
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *<em class="structfield"><code><a name="GNode.prev"></a>prev</code></em>;</span></p></td>
<td>points to the node's previous sibling.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *<em class="structfield"><code><a name="GNode.parent"></a>parent</code></em>;</span></p></td>
<td>points to the parent of the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>, or is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if the
         <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is the root of the tree.
</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *<em class="structfield"><code><a name="GNode.children"></a>children</code></em>;</span></p></td>
<td>points to the first child of the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.  The other
           children are accessed by using the <em class="parameter"><code>next</code></em> pointer of each
           child.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_new ()">
<a name="g-node-new"></a><h3>g_node_new ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_new                          (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Creates a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> containing the given data.
Used to create the first node in a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data of the new node
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_copy ()">
<a name="g-node-copy"></a><h3>g_node_copy ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_copy                         (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Recursively copies a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> (but does not deep-copy the data inside the 
nodes, see <a class="link" href="glib-N-ary-Trees.html#g-node-copy-deep" title="g_node_copy_deep ()"><code class="function">g_node_copy_deep()</code></a> if you need that).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> containing the same data pointers
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="GCopyFunc ()">
<a name="GCopyFunc"></a><h3>GCopyFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (*GCopyFunc)                        (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gconstpointer" title="gconstpointer"><span class="type">gconstpointer</span></a> src</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
A function of this signature is used to copy the node data 
when doing a deep-copy of a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td>A pointer to the data which should be copied
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>Additional data
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> A pointer to the copy

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.4</p>
</div>
<hr>
<div class="refsect2" title="g_node_copy_deep ()">
<a name="g-node-copy-deep"></a><h3>g_node_copy_deep ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_copy_deep                    (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GCopyFunc" title="GCopyFunc ()"><span class="type">GCopyFunc</span></a> copy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Recursively copies a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> and its data.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>copy_func</code></em> :</span></p></td>
<td>the function which is called to copy the data inside each node,
  or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> to use the original data.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>data to pass to <em class="parameter"><code>copy_func</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> containing copies of the data in <em class="parameter"><code>node</code></em>.

</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.4</p>
</div>
<hr>
<div class="refsect2" title="g_node_insert ()">
<a name="g-node-insert"></a><h3>g_node_insert ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_insert                       (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="type">gint</span></a> position</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Inserts a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> beneath the parent at the given position.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place <em class="parameter"><code>node</code></em> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td>
<td>the position to place <em class="parameter"><code>node</code></em> at, with respect to its siblings
    If position is -1, <em class="parameter"><code>node</code></em> is inserted as the last child of <em class="parameter"><code>parent</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to insert
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the inserted <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_insert_before ()">
<a name="g-node-insert-before"></a><h3>g_node_insert_before ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_insert_before                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *sibling</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Inserts a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> beneath the parent before the given sibling.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place <em class="parameter"><code>node</code></em> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sibling</code></em> :</span></p></td>
<td>the sibling <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place <em class="parameter"><code>node</code></em> before. 
    If sibling is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, the node is inserted as the last child of <em class="parameter"><code>parent</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to insert
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the inserted <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_insert_after ()">
<a name="g-node-insert-after"></a><h3>g_node_insert_after ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_insert_after                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *sibling</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Inserts a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> beneath the parent after the given sibling.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place <em class="parameter"><code>node</code></em> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sibling</code></em> :</span></p></td>
<td>the sibling <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place <em class="parameter"><code>node</code></em> after. 
    If sibling is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, the node is inserted as the first child of <em class="parameter"><code>parent</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to insert
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the inserted <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_append()">
<a name="g-node-append"></a><h3>g_node_append()</h3>
<pre class="programlisting">#define             g_node_append(parent, node)</pre>
<p>
Inserts a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> as the last child of the given parent.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to insert
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the inserted <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_prepend ()">
<a name="g-node-prepend"></a><h3>g_node_prepend ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_prepend                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *parent</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Inserts a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> as the first child of the given parent.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to insert
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the inserted <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_insert_data()">
<a name="g-node-insert-data"></a><h3>g_node_insert_data()</h3>
<pre class="programlisting">#define             g_node_insert_data(parent, position, data)</pre>
<p>
Inserts a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> at the given position.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>position</code></em> :</span></p></td>
<td>the position to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> at. If position is -1, 
    the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is inserted as the last child of <em class="parameter"><code>parent</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data for the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_insert_data_before()">
<a name="g-node-insert-data-before"></a><h3>g_node_insert_data_before()</h3>
<pre class="programlisting">#define             g_node_insert_data_before(parent, sibling, data)</pre>
<p>
Inserts a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> before the given sibling.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>sibling</code></em> :</span></p></td>
<td>the sibling <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> before
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data for the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_append_data()">
<a name="g-node-append-data"></a><h3>g_node_append_data()</h3>
<pre class="programlisting">#define             g_node_append_data(parent, data)</pre>
<p>
Inserts a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> as the last child of the given parent.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data for the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_prepend_data()">
<a name="g-node-prepend-data"></a><h3>g_node_prepend_data()</h3>
<pre class="programlisting">#define             g_node_prepend_data(parent, data)</pre>
<p>
Inserts a new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> as the first child of the given parent.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to place the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> under
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data for the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the new <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_reverse_children ()">
<a name="g-node-reverse-children"></a><h3>g_node_reverse_children ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_reverse_children             (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Reverses the order of the children of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
(It doesn't change the order of the grandchildren.)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_traverse ()">
<a name="g-node-traverse"></a><h3>g_node_traverse ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_traverse                     (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Balanced-Binary-Trees.html#GTraverseType" title="enum GTraverseType"><span class="type">GTraverseType</span></a> order</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="type">gint</span></a> max_depth</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNodeTraverseFunc" title="GNodeTraverseFunc ()"><span class="type">GNodeTraverseFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Traverses a tree starting at the given root <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
It calls the given function for each node visited.
The traversal can be halted at any point by returning <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> from <em class="parameter"><code>func</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>root</code></em> :</span></p></td>
<td>the root <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> of the tree to traverse
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>order</code></em> :</span></p></td>
<td>the order in which nodes are visited - <a class="link" href="glib-Balanced-Binary-Trees.html#G-IN-ORDER:CAPS"><code class="literal">G_IN_ORDER</code></a>, 
    <a class="link" href="glib-Balanced-Binary-Trees.html#G-PRE-ORDER:CAPS"><code class="literal">G_PRE_ORDER</code></a>, <a class="link" href="glib-Balanced-Binary-Trees.html#G-POST-ORDER:CAPS"><code class="literal">G_POST_ORDER</code></a>, or <a class="link" href="glib-Balanced-Binary-Trees.html#G-LEVEL-ORDER:CAPS"><code class="literal">G_LEVEL_ORDER</code></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>which types of children are to be visited, one of 
    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-ALL:CAPS"><code class="literal">G_TRAVERSE_ALL</code></a>, <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a> and <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max_depth</code></em> :</span></p></td>
<td>the maximum depth of the traversal. Nodes below this
    depth will not be visited. If max_depth is -1 all nodes in 
    the tree are visited. If depth is 1, only the root is visited. 
    If depth is 2, the root and its children are visited. And so on.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>the function to call for each visited <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data to pass to the function
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="enum GTraverseFlags">
<a name="GTraverseFlags"></a><h3>enum GTraverseFlags</h3>
<pre class="programlisting">typedef enum
{
  G_TRAVERSE_LEAVES     = 1 &lt;&lt; 0,
  G_TRAVERSE_NON_LEAVES = 1 &lt;&lt; 1,
  G_TRAVERSE_ALL        = G_TRAVERSE_LEAVES | G_TRAVERSE_NON_LEAVES,
  G_TRAVERSE_MASK       = 0x03,
  G_TRAVERSE_LEAFS      = G_TRAVERSE_LEAVES,
  G_TRAVERSE_NON_LEAFS  = G_TRAVERSE_NON_LEAVES
} GTraverseFlags;
</pre>
<p>
Specifies which nodes are visited during several of the tree
functions, including <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()"><code class="function">g_node_traverse()</code></a> and <a class="link" href="glib-N-ary-Trees.html#g-node-find" title="g_node_find ()"><code class="function">g_node_find()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="G-TRAVERSE-LEAVES:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_LEAVES</code></span></p></td>
<td>only leaf nodes should be visited. This name has
                    been introduced in 2.6, for older version use
                    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAFS:CAPS"><code class="literal">G_TRAVERSE_LEAFS</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-TRAVERSE-NON-LEAVES:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_NON_LEAVES</code></span></p></td>
<td>only non-leaf nodes should be visited. This
                        name has been introduced in 2.6, for older
                        version use <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAFS:CAPS"><code class="literal">G_TRAVERSE_NON_LEAFS</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-TRAVERSE-ALL:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_ALL</code></span></p></td>
<td>all nodes should be visited.
</td>
</tr>
<tr>
<td><p><a name="G-TRAVERSE-MASK:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_MASK</code></span></p></td>
<td>a mask of all traverse flags.
</td>
</tr>
<tr>
<td><p><a name="G-TRAVERSE-LEAFS:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_LEAFS</code></span></p></td>
<td>identical to <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a>.
</td>
</tr>
<tr>
<td><p><a name="G-TRAVERSE-NON-LEAFS:CAPS"></a><span class="term"><code class="literal">G_TRAVERSE_NON_LEAFS</code></span></p></td>
<td>identical to <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="GNodeTraverseFunc ()">
<a name="GNodeTraverseFunc"></a><h3>GNodeTraverseFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            (*GNodeTraverseFunc)                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Specifies the type of function passed to <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()"><code class="function">g_node_traverse()</code></a>. The
function is called with each of the nodes visited, together with the
user data passed to <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()"><code class="function">g_node_traverse()</code></a>. If the function returns
<a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a>, then the traversal is stopped.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data passed to <a class="link" href="glib-N-ary-Trees.html#g-node-traverse" title="g_node_traverse ()"><code class="function">g_node_traverse()</code></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> to stop the traversal.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_children_foreach ()">
<a name="g-node-children-foreach"></a><h3>g_node_children_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_children_foreach             (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNodeForeachFunc" title="GNodeForeachFunc ()"><span class="type">GNodeForeachFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Calls a function for each of the children of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
Note that it doesn't descend beneath the child nodes.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>which types of children are to be visited, one of 
    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-ALL:CAPS"><code class="literal">G_TRAVERSE_ALL</code></a>, <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a> and <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>the function to call for each visited node
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data to pass to the function
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="GNodeForeachFunc ()">
<a name="GNodeForeachFunc"></a><h3>GNodeForeachFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                (*GNodeForeachFunc)                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Specifies the type of function passed to <a class="link" href="glib-N-ary-Trees.html#g-node-children-foreach" title="g_node_children_foreach ()"><code class="function">g_node_children_foreach()</code></a>.
The function is called with each child node, together with the user
data passed to <a class="link" href="glib-N-ary-Trees.html#g-node-children-foreach" title="g_node_children_foreach ()"><code class="function">g_node_children_foreach()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data passed to <a class="link" href="glib-N-ary-Trees.html#g-node-children-foreach" title="g_node_children_foreach ()"><code class="function">g_node_children_foreach()</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_get_root ()">
<a name="g-node-get-root"></a><h3>g_node_get_root ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_get_root                     (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the root of a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the root of the tree
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_find ()">
<a name="g-node-find"></a><h3>g_node_find ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_find                         (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Balanced-Binary-Trees.html#GTraverseType" title="enum GTraverseType"><span class="type">GTraverseType</span></a> order</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Finds a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> in a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>root</code></em> :</span></p></td>
<td>the root <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> of the tree to search
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>order</code></em> :</span></p></td>
<td>the order in which nodes are visited - <a class="link" href="glib-Balanced-Binary-Trees.html#G-IN-ORDER:CAPS"><code class="literal">G_IN_ORDER</code></a>, 
    <a class="link" href="glib-Balanced-Binary-Trees.html#G-PRE-ORDER:CAPS"><code class="literal">G_PRE_ORDER</code></a>, <a class="link" href="glib-Balanced-Binary-Trees.html#G-POST-ORDER:CAPS"><code class="literal">G_POST_ORDER</code></a>, or <a class="link" href="glib-Balanced-Binary-Trees.html#G-LEVEL-ORDER:CAPS"><code class="literal">G_LEVEL_ORDER</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>which types of children are to be searched, one of 
    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-ALL:CAPS"><code class="literal">G_TRAVERSE_ALL</code></a>, <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a> and <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data to find
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the found <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if the data is not found
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_find_child ()">
<a name="g-node-find-child"></a><h3>g_node_find_child ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_find_child                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Finds the first child of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> with the given data.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>which types of children are to be searched, one of 
    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-ALL:CAPS"><code class="literal">G_TRAVERSE_ALL</code></a>, <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a> and <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data to find
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the found child <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if the data is not found
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_child_index ()">
<a name="g-node-child-index"></a><h3>g_node_child_index ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_node_child_index                  (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> data</code></em>);</pre>
<p>
Gets the position of the first child of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> 
which contains the given data.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data to find
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the index of the child of <em class="parameter"><code>node</code></em> which contains 
    <em class="parameter"><code>data</code></em>, or -1 if the data is not found
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_child_position ()">
<a name="g-node-child-position"></a><h3>g_node_child_position ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gint" title="gint"><span class="returnvalue">gint</span></a>                g_node_child_position               (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *child</code></em>);</pre>
<p>
Gets the position of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> with respect to its siblings.
<em class="parameter"><code>child</code></em> must be a child of <em class="parameter"><code>node</code></em>. The first child is numbered 0, 
the second 1, and so on.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>child</code></em> :</span></p></td>
<td>a child of <em class="parameter"><code>node</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the position of <em class="parameter"><code>child</code></em> with respect to its siblings
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_first_child()">
<a name="g-node-first-child"></a><h3>g_node_first_child()</h3>
<pre class="programlisting">#define             g_node_first_child(node)</pre>
<p>
Gets the first child of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the first child of <em class="parameter"><code>node</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if <em class="parameter"><code>node</code></em> is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> 
    or has no children
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_last_child ()">
<a name="g-node-last-child"></a><h3>g_node_last_child ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_last_child                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the last child of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> (must not be <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>)
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the last child of <em class="parameter"><code>node</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if <em class="parameter"><code>node</code></em> has no children
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_nth_child ()">
<a name="g-node-nth-child"></a><h3>g_node_nth_child ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_nth_child                    (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="type">guint</span></a> n</code></em>);</pre>
<p>
Gets a child of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>, using the given index.
The first child is at index 0. If the index is 
too big, <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> is returned.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>the index of the desired child
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the child of <em class="parameter"><code>node</code></em> at index <em class="parameter"><code>n</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_first_sibling ()">
<a name="g-node-first-sibling"></a><h3>g_node_first_sibling ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_first_sibling                (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the first sibling of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
This could possibly be the node itself.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the first sibling of <em class="parameter"><code>node</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_next_sibling()">
<a name="g-node-next-sibling"></a><h3>g_node_next_sibling()</h3>
<pre class="programlisting">#define             g_node_next_sibling(node)</pre>
<p>
Gets the next sibling of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the next sibling of <em class="parameter"><code>node</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if <em class="parameter"><code>node</code></em> is the last node
    or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_prev_sibling()">
<a name="g-node-prev-sibling"></a><h3>g_node_prev_sibling()</h3>
<pre class="programlisting">#define             g_node_prev_sibling(node)</pre>
<p>
Gets the previous sibling of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the previous sibling of <em class="parameter"><code>node</code></em>, or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> if <em class="parameter"><code>node</code></em> is the first
    node or <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_last_sibling ()">
<a name="g-node-last-sibling"></a><h3>g_node_last_sibling ()</h3>
<pre class="programlisting"><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="returnvalue">GNode</span></a>*              g_node_last_sibling                 (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the last sibling of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
This could possibly be the node itself.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the last sibling of <em class="parameter"><code>node</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="G_NODE_IS_LEAF()">
<a name="G-NODE-IS-LEAF:CAPS"></a><h3>G_NODE_IS_LEAF()</h3>
<pre class="programlisting">#define	 G_NODE_IS_LEAF(node) (((GNode*) (node))-&gt;children == NULL)
</pre>
<p>
Returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is a leaf node.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is a leaf node 
    (i.e. it has no children)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="G_NODE_IS_ROOT()">
<a name="G-NODE-IS-ROOT:CAPS"></a><h3>G_NODE_IS_ROOT()</h3>
<pre class="programlisting">#define             G_NODE_IS_ROOT(node)</pre>
<p>
Returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is the root of a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> is the root of a tree 
    (i.e. it has no parent or siblings)
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_depth ()">
<a name="g-node-depth"></a><h3>g_node_depth ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               g_node_depth                        (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the depth of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<p>
If <em class="parameter"><code>node</code></em> is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a> the depth is 0. The root node has a depth of 1.
For the children of the root node the depth is 2. And so on.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the depth of the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_n_nodes ()">
<a name="g-node-n-nodes"></a><h3>g_node_n_nodes ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               g_node_n_nodes                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GTraverseFlags" title="enum GTraverseFlags"><span class="type">GTraverseFlags</span></a> flags</code></em>);</pre>
<p>
Gets the number of nodes in a tree.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>root</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>flags</code></em> :</span></p></td>
<td>which types of children are to be counted, one of 
    <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-ALL:CAPS"><code class="literal">G_TRAVERSE_ALL</code></a>, <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-LEAVES:CAPS"><code class="literal">G_TRAVERSE_LEAVES</code></a> and <a class="link" href="glib-N-ary-Trees.html#G-TRAVERSE-NON-LEAVES:CAPS"><code class="literal">G_TRAVERSE_NON_LEAVES</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the number of nodes in the tree
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_n_children ()">
<a name="g-node-n-children"></a><h3>g_node_n_children ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               g_node_n_children                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Gets the number of children of a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the number of children of <em class="parameter"><code>node</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_is_ancestor ()">
<a name="g-node-is-ancestor"></a><h3>g_node_is_ancestor ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean" title="gboolean"><span class="returnvalue">gboolean</span></a>            g_node_is_ancestor                  (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *descendant</code></em>);</pre>
<p>
Returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>node</code></em> is an ancestor of <em class="parameter"><code>descendant</code></em>.
This is true if node is the parent of <em class="parameter"><code>descendant</code></em>, 
or if node is the grandparent of <em class="parameter"><code>descendant</code></em> etc.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>descendant</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if <em class="parameter"><code>node</code></em> is an ancestor of <em class="parameter"><code>descendant</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_max_height ()">
<a name="g-node-max-height"></a><h3>g_node_max_height ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#guint" title="guint"><span class="returnvalue">guint</span></a>               g_node_max_height                   (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>);</pre>
<p>
Gets the maximum height of all branches beneath a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>.
This is the maximum distance from the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to all leaf nodes.
</p>
<p>
If <em class="parameter"><code>root</code></em> is <a class="link" href="glib-Standard-Macros.html#NULL:CAPS" title="NULL"><code class="literal">NULL</code></a>, 0 is returned. If <em class="parameter"><code>root</code></em> has no children, 
1 is returned. If <em class="parameter"><code>root</code></em> has children, 2 is returned. And so on.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>root</code></em> :</span></p></td>
<td>a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> the maximum height of the tree beneath <em class="parameter"><code>root</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_unlink ()">
<a name="g-node-unlink"></a><h3>g_node_unlink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_unlink                       (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *node</code></em>);</pre>
<p>
Unlinks a <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> from a tree, resulting in two separate trees.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>node</code></em> :</span></p></td>
<td>the <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> to unlink, which becomes the root of a new tree
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_destroy ()">
<a name="g-node-destroy"></a><h3>g_node_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_destroy                      (<em class="parameter"><code><a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> *root</code></em>);</pre>
<p>
Removes <em class="parameter"><code>root</code></em> and its children from the tree, freeing any memory
allocated.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>root</code></em> :</span></p></td>
<td>the root of the tree/subtree to destroy
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_push_allocator ()">
<a name="g-node-push-allocator"></a><h3>g_node_push_allocator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_push_allocator               (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> dummy</code></em>);</pre>
<div class="warning" title="Warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_node_push_allocator</code> has been deprecated since version 2.10 and should not be used in newly-written code. It does nothing, since <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> has been converted to
                 the <a class="link" href="glib-Memory-Slices.html" title="Memory Slices">slice
                 allocator</a></p>
</div>
<p>
Sets the allocator to use to allocate <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> elements. Use
<a class="link" href="glib-N-ary-Trees.html#g-node-pop-allocator" title="g_node_pop_allocator ()"><code class="function">g_node_pop_allocator()</code></a> to restore the previous allocator.
</p>
<p>
Note that this function is not available if GLib has been compiled
with <code class="option">--disable-mem-pools</code>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>dummy</code></em> :</span></p></td>
<td>the <a class="link" href="glib-Memory-Allocators.html#GAllocator" title="GAllocator"><span class="type">GAllocator</span></a> to use when allocating <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> elements.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="g_node_pop_allocator ()">
<a name="g-node-pop-allocator"></a><h3>g_node_pop_allocator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_node_pop_allocator                (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="warning" title="Warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_node_pop_allocator</code> has been deprecated since version 2.10 and should not be used in newly-written code. It does nothing, since <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a> has been converted to
                 the <a class="link" href="glib-Memory-Slices.html" title="Memory Slices">slice
                 allocator</a></p>
</div>
<p>
Restores the previous <a class="link" href="glib-Memory-Allocators.html#GAllocator" title="GAllocator"><span class="type">GAllocator</span></a>, used when allocating <a class="link" href="glib-N-ary-Trees.html#GNode" title="GNode"><span class="type">GNode</span></a>
elements.
</p>
<p>
Note that this function is not available if GLib has been compiled
with <code class="option">--disable-mem-pools</code>
</p>
</div>
</div>
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